July is one of the warmer months of the year in Port Saint Lucie, with average highs near 30.9°C and lows around 24.5°C (mean 27.7°C). It is a relatively wet time of year, averaging 166 mm of rainfall and 81% relative humidity across the period.
July is one of the warmer months of the year in Port Saint Lucie. Across 45 years of records, the warmest July in Port Saint Lucie was 2024 — when the month averaged 29.3°C — while the coldest was 1984 at 26.4°C. Typical July days reach 30.9°C with nights near 24.5°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Port Saint Lucie, averaging 166 mm of rainfall. The wettest July on record was 2001 with 274 mm, while the driest was 2016 at 79 mm.
Relative humidity in Port Saint Lucie during July averages 81%. The most humid July was 2013 at 86%, and the least humid was 1981 at 69%.
July receives about 6 kWh/m²/day of solar energy in Port Saint Lucie. The sunniest July was 2016 at 6.7 kWh/m²/day, and the cloudiest were 1984 and 2013 at 5.4.
Average wind speed in Port Saint Lucie during July is 1.8 m/s. The windiest July was 1988 at 2.4 m/s, while the calmest was 2007 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.5°C | 27.4°C | 27.5°C | 28.0°C | 28.7°C | +1.2°C |
| Avg High | 30.7°C | 30.6°C | 30.6°C | 31.2°C | 32.1°C | +1.4°C |
| Avg Low | 24.2°C | 24.3°C | 24.5°C | 24.7°C | 25.2°C | +1°C |
| Avg Rain | 165 mm | 164 mm | 196 mm | 151 mm | 149 mm | -16 mm |
July temperatures in Port Saint Lucie have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 22°C (1990) to a record high of 37.7°C (1981).
Rainfall in July is a relatively wet time of year, averaging 166 mm, with a wettest year of 274 mm.
A quieter season to visit Port Saint Lucie
If your dates are flexible, the more temperate months of November and April tend to be the most comfortable for visiting Port Saint Lucie. That said, July — with days averaging 30.9°C and nights around 24.5°C (mean 27.7°C) and higher rainfall (166 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32.4°C | 28.8°C | 25.1°C | 36.1°C | 24.0°C | 127 mm | 80% | 1.8 m/s | 6.1 |
| 2024 🔥 | 32.9°C | 29.3°C | 25.7°C | 35.9°C | 24.3°C | 139 mm | 78% | 1.7 m/s | 6.2 |
| 2023 | 32.7°C | 29.1°C | 25.5°C | 34.2°C | 24.0°C | 180 mm | 79% | 1.5 m/s | 6.1 |
| 2022 | 32.3°C | 28.8°C | 25.3°C | 34.4°C | 24.0°C | 103 mm | 78% | 2.1 m/s | 6.6 |
| 2021 | 31.3°C | 28.0°C | 24.7°C | 33.2°C | 23.3°C | 153 mm | 81% | 1.8 m/s | 6 |
| 2020 | 31.0°C | 27.9°C | 24.8°C | 33.6°C | 23.6°C | 193 mm | 83% | 2 m/s | 6 |
| 2019 | 31.5°C | 28.2°C | 24.9°C | 33.5°C | 23.1°C | 147 mm | 80% | 1.6 m/s | 5.8 |
| 2018 | 30.7°C | 27.7°C | 24.6°C | 32.7°C | 22.9°C | 161 mm | 82% | 1.6 m/s | 5.9 |
| 2017 | 31.0°C | 28.0°C | 25.0°C | 32.4°C | 24.6°C | 175 mm | 82% | 1.8 m/s | 5.9 |
| 2016 | 32.2°C | 28.8°C | 25.4°C | 34.2°C | 24.4°C | 79 mm | 79% | 1.7 m/s | 6.7 |
| 2015 | 31.4°C | 28.0°C | 24.6°C | 34.6°C | 23.6°C | 192 mm | 79% | 1.9 m/s | 5.9 |
| 2014 | 30.8°C | 27.7°C | 24.6°C | 32.7°C | 23.3°C | 172 mm | 82% | 1.7 m/s | 5.6 |
| 2013 | 29.1°C | 26.5°C | 23.9°C | 31.1°C | 23.0°C | 226 mm | 86% | 2.1 m/s | 5.4 |
| 2012 | 32.1°C | 28.2°C | 24.3°C | 34.7°C | 22.4°C | 93 mm | 74% | 1.8 m/s | 6.4 |
| 2011 | 31.1°C | 27.9°C | 24.7°C | 34.8°C | 22.3°C | 139 mm | 80% | 1.7 m/s | 5.9 |
| 2010 | 31.8°C | 28.5°C | 25.2°C | 36.0°C | 22.9°C | 122 mm | 78% | 2.1 m/s | 6.3 |
| 2009 | 30.5°C | 27.4°C | 24.3°C | 31.8°C | 23.1°C | 178 mm | 82% | 1.5 m/s | 6.1 |
| 2008 | 29.6°C | 26.6°C | 23.6°C | 31.8°C | 22.0°C | 260 mm | 84% | 1.6 m/s | 5.7 |
| 2007 | 30.5°C | 27.6°C | 24.8°C | 32.1°C | 23.0°C | 272 mm | 82% | 1.4 m/s | 5.9 |
| 2006 | 30.4°C | 27.4°C | 24.4°C | 33.6°C | 22.8°C | 146 mm | 81% | 2 m/s | 5.6 |
| 2005 | 30.9°C | 28.1°C | 25.2°C | 33.0°C | 23.5°C | 125 mm | 85% | 2.1 m/s | 6.3 |
| 2004 | 32.2°C | 28.5°C | 24.8°C | 34.6°C | 23.4°C | 109 mm | 74% | 1.9 m/s | 6.1 |
| 2003 | 30.6°C | 27.6°C | 24.7°C | 32.1°C | 23.7°C | 150 mm | 82% | 1.6 m/s | 6 |
| 2002 | 30.0°C | 27.1°C | 24.3°C | 32.3°C | 22.6°C | 211 mm | 85% | 1.5 m/s | 5.5 |
| 2001 🌧️ | 29.9°C | 27.1°C | 24.3°C | 31.8°C | 23.2°C | 274 mm | 85% | 2.1 m/s | 5.5 |
| 2000 | 30.9°C | 27.6°C | 24.2°C | 33.9°C | 23.0°C | 238 mm | 79% | 2.1 m/s | 5.9 |
| 1999 | 30.6°C | 27.3°C | 24.0°C | 32.4°C | 22.4°C | 101 mm | 81% | 1.9 m/s | 6.4 |
| 1998 | 31.7°C | 28.4°C | 25.2°C | 37.4°C | 24.3°C | 205 mm | 80% | 1.9 m/s | 6.1 |
| 1997 | 30.7°C | 27.6°C | 24.6°C | 34.1°C | 22.9°C | 177 mm | 82% | 1.6 m/s | 6.3 |
| 1996 | 30.6°C | 27.3°C | 24.0°C | 32.7°C | 22.1°C | 125 mm | 82% | 2.2 m/s | 6.4 |
| 1995 | 30.1°C | 27.2°C | 24.4°C | 32.4°C | 23.0°C | 198 mm | 83% | 2.1 m/s | 5.8 |
| 1994 | 29.6°C | 26.8°C | 23.9°C | 31.9°C | 23.0°C | 163 mm | 83% | 1.9 m/s | 6.2 |
| 1993 | 31.5°C | 28.0°C | 24.5°C | 34.5°C | 22.6°C | 118 mm | 77% | 1.6 m/s | 6.5 |
| 1992 | 30.7°C | 27.4°C | 24.1°C | 32.6°C | 22.8°C | 102 mm | 83% | 1.7 m/s | 6.6 |
| 1991 | 30.0°C | 27.2°C | 24.4°C | 32.1°C | 23.0°C | 248 mm | 84% | 1.7 m/s | 6 |
| 1990 | 30.0°C | 27.1°C | 24.2°C | 32.0°C | 22.0°C | 204 mm | 83% | 2 m/s | 6 |
| 1989 | 31.6°C | 28.0°C | 24.4°C | 35.6°C | 22.7°C | 127 mm | 75% | 1.9 m/s | 6.2 |
| 1988 | 30.1°C | 27.2°C | 24.3°C | 32.3°C | 23.4°C | 215 mm | 82% | 2.4 m/s | 5.6 |
| 1987 | 31.4°C | 28.0°C | 24.5°C | 34.7°C | 22.7°C | 150 mm | 77% | 1.9 m/s | 6.1 |
| 1986 | 30.2°C | 27.0°C | 23.8°C | 32.2°C | 22.9°C | 181 mm | 80% | 1.7 m/s | 5.7 |
| 1985 | 29.9°C | 26.8°C | 23.7°C | 32.6°C | 22.2°C | 185 mm | 81% | 1.8 m/s | 5.7 |
| 1984 ❄️ | 29.2°C | 26.4°C | 23.7°C | 31.0°C | 22.6°C | 181 mm | 83% | 1.9 m/s | 5.4 |
| 1983 | 31.2°C | 27.6°C | 24.0°C | 35.0°C | 22.9°C | 136 mm | 77% | 2 m/s | — |
| 1982 | 29.9°C | 26.9°C | 24.0°C | 32.2°C | 22.7°C | 197 mm | 83% | 1.7 m/s | — |
| 1981 | 33.2°C | 29.2°C | 25.2°C | 37.7°C | 22.6°C | 114 mm | 69% | 2.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 30.9°C with lows near 24.5°C (mean 27.7°C), based on 45 years of NASA POWER data.
July averages 166 mm of rainfall in Port Saint Lucie, a relatively wet time of year. The wettest on record was 274 mm in 2001.
The hottest July reached 37.7°C in 1981. The coldest dipped to 22°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.4°C. Daytime highs moved from 30.7°C to 32.3°C and overnight lows from 24.1°C to 25.3°C over the same span.
July is one of the warmer months of the year in Port Saint Lucie and a relatively wet time of year, so plan for around 30.9°C daytime highs and 24.5°C at night.
Not quite — July is the 11th coolest month in Port Saint Lucie, averaging 27.7°C.
For July in Port Saint Lucie, pack light, breathable clothing and sun protection, with typical highs of 30.9°C and lows of 24.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 81% — quite humid.
Average wind speed in July is 1.8 m/s. The windiest July on record averaged 2.4 m/s (1988).
The wettest July on record was 2001 with 274 mm. On average, July sees 166 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Port Saint Lucie behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.
